1、增加用户
adduser hadoopadmin usermod -a -G wheel hadoopadmin passwd hadoopadmin 2、编辑文件 visudo -f /etc/sudoers #chmod 0440 /etc/sudoers 将%wheel那两行打开 3、测试是否增加成功: su - hadoopadmin sudo su - 4、打通hadoopadmin的ssh web114: cat ~/.ssh/id_rsa.pub > /mnt/nfs/id_rsa_hadoopadmin.pub 其他服务器: ( mkdir /mnt/nfs mount -t nfs -o rw 172.16.4.188:/usr/local/public /mnt/nfs ) sudo su - sudo su - hadoopadmin mkdir ~/.ssh cat /mnt/nfs/id_rsa_hadoopadmin.pub >> ~/.ssh/authorized_keys chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys 测试: ssh hadoopadmin@web115 |
|